Update to game build 2024r174ex3

Bones oriented fingers tracking
SDraw · Mar 5, 2024 · b547512 · b547512
1 parent 60259c9
commit b547512
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Showing 12 changed files with 1,678 additions and 1,396 deletions.
diff --git a/ml_lme/LeapHand.cs b/ml_lme/LeapHand.cs
@@ -0,0 +1,129 @@
+using UnityEngine;
+
+namespace ml_lme
+{
+    class LeapHand
+    {
+        public enum FingerBone
+        {
+            ThumbMetacarpal = 0,
+            ThumbProximal,
+            ThumbIntermediate,
+            ThumbDistal,
+            IndexMetacarpal,
+            IndexProximal,
+            IndexIntermediate,
+            IndexDistal,
+            MiddleMetacarpal,
+            MiddleProximal,
+            MiddleIntermediate,
+            MiddleDistal,
+            RingMetacarpal,
+            RingProximal,
+            RingIntermediate,
+            RingDistal,
+            PinkyMetacarpal,
+            PinkyProximal,
+            PinkyIntermediate,
+            PinkyDistal
+        };
+
+        readonly Transform m_root = null;
+        readonly Transform m_wrist = null;
+        readonly GameObject m_mesh = null;
+        readonly Transform[] m_fingersBones = null;
+        readonly Quaternion[] m_initialRotations = null;
+
+        public LeapHand(Transform p_root, bool p_left)
+        {
+            m_fingersBones = new Transform[20];
+            m_initialRotations = new Quaternion[20];
+
+            m_root = p_root;
+            if(m_root != null)
+            {
+                m_mesh = m_root.Find(p_left ? "GenericHandL" : "GenericHandR")?.gameObject;
+                m_wrist = m_root.Find(p_left ? "LeftHand/Wrist" : "RightHand/Wrist");
+                if(m_wrist != null)
+                {
+                    m_fingersBones[0] = null; // Actual thumb-meta, look at Leap Motion docs, dummy, it's zero point
+                    m_fingersBones[1] = m_wrist.Find("thumb_meta");
+                    m_fingersBones[2] = m_wrist.Find("thumb_meta/thumb_a");
+                    m_fingersBones[3] = m_wrist.Find("thumb_meta/thumb_a/thumb_b");
+
+                    m_fingersBones[4] = m_wrist.Find("index_meta");
+                    m_fingersBones[5] = m_wrist.Find("index_meta/index_a");
+                    m_fingersBones[6] = m_wrist.Find("index_meta/index_a/index_b");
+                    m_fingersBones[7] = m_wrist.Find("index_meta/index_a/index_b/index_c");
+
+                    m_fingersBones[8] = m_wrist.Find("middle_meta");
+                    m_fingersBones[9] = m_wrist.Find("middle_meta/middle_a");
+                    m_fingersBones[10] = m_wrist.Find("middle_meta/middle_a/middle_b");
+                    m_fingersBones[11] = m_wrist.Find("middle_meta/middle_a/middle_b/middle_c");
+
+                    m_fingersBones[12] = m_wrist.Find("ring_meta");
+                    m_fingersBones[13] = m_wrist.Find("ring_meta/ring_a");
+                    m_fingersBones[14] = m_wrist.Find("ring_meta/ring_a/ring_b");
+                    m_fingersBones[15] = m_wrist.Find("ring_meta/ring_a/ring_b/ring_c");
+
+                    m_fingersBones[16] = m_wrist.Find("pinky_meta");
+                    m_fingersBones[17] = m_wrist.Find("pinky_meta/pinky_a");
+                    m_fingersBones[18] = m_wrist.Find("pinky_meta/pinky_a/pinky_b");
+                    m_fingersBones[19] = m_wrist.Find("pinky_meta/pinky_a/pinky_b/pinky_c");
+                }
+            }
+
+            for(int i = 0; i < 20; i++)
+            {
+                if(m_fingersBones[i] != null)
+                    m_initialRotations[i] = m_fingersBones[i].localRotation;
+            }
+        }
+
+        public void Update(LeapParser.HandData p_data)
+        {
+            if(m_wrist != null)
+            {
+                m_wrist.position = p_data.m_position;
+                m_wrist.rotation = p_data.m_rotation;
+
+                for(int i = 0; i < 20; i++)
+                {
+                    if(m_fingersBones[i] != null)
+                    {
+                        //m_fingers[i].position = p_data.m_fingerPosition[i];
+                        m_fingersBones[i].rotation = p_data.m_fingerRotation[i];
+                    }
+                }
+
+                m_wrist.localPosition = Vector3.zero;
+                m_wrist.localRotation = Quaternion.identity;
+            }
+        }
+
+        public void Reset()
+        {
+            if(m_wrist != null)
+            {
+                m_wrist.localPosition = Vector3.zero;
+                m_wrist.localRotation = Quaternion.identity;
+            }
+
+            for(int i = 0; i < 20; i++)
+            {
+                if(m_fingersBones[i] != null)
+                    m_fingersBones[i].localRotation = m_initialRotations[i];
+            }
+        }
+
+        public Transform GetRoot() => m_root;
+        public Transform GetWrist() => m_wrist;
+        public Transform GetFingersBone(FingerBone p_bone) => m_fingersBones[(int)p_bone];
+
+        public void SetMeshActive(bool p_state)
+        {
+            if(m_mesh != null)
+                m_mesh.SetActive(p_state);
+        }
+    }
+}